Temporary fix for MacOS build. Remove this commit after resolving #5990.

CI/before_install.osx.sh

@@ -15,8 +15,10 @@ ccache --version
 cmake --version
 qmake --version
 
+brew install lua
+
 curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20210617.zip -o ~/openmw-deps.zip
 unzip -o ~/openmw-deps.zip -d /private/tmp/openmw-deps > /dev/null
 
 # additional libraries
-[ -z "${TRAVIS}" ] && HOMEBREW_NO_AUTO_UPDATE=1 brew install fontconfig
+[ -z "${TRAVIS}" ] && HOMEBREW_NO_AUTO_UPDATE=1 brew install fontconfig

CI/before_script.osx.sh

@@ -25,5 +25,6 @@ cmake \
 -D BUILD_BSATOOL=TRUE \
 -D BUILD_ESSIMPORTER=TRUE \
 -D BUILD_NIFTEST=TRUE \
+-D USE_LUAJIT=FALSE \
 -G"Unix Makefiles" \
 ..